An astronaut sees the colour of the sky as: _________?
Correct answer: D. Black
- A. Blue
- B. White
- C. Red
- D. Black
Explanation
An astronaut in space sees a black sky because there is no atmosphere to scatter sunlight into different directions. Earth’s sky appears blue because atmospheric molecules scatter blue light more strongly.
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Astronomy covers the structure and motions of the solar system, planets, satellites, comets, asteroids and meteoroids, together with gravity, eclipses, seasons and phases of the Moon. It also introduces stars, galaxies, nebulae, black holes, space telescopes and satellites, while distinguishing rotation from revolution and meteors from meteorites.
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